The cooling system, including the thermal grease, heatsinks, plays an important role in the power converters for its reliable operation.While in the long-term operation situation, the cooling system will degrade with different kinds of failure mechanism of the components and finally result in the damage to the power converters.In this paper, the me
The World Health Organization is encouraging countries to include contact screening and single-dose rifampicin administration as preventive chemotherapy for contacts of Arthritis leprosy patients in their leprosy control activities.However, no study has been conducted to assess the safety of SDR-PEP and the acceptability and feasibility of this int
Accidents of course happen, but when they occur in clusters and on a global scale some thought needs to be given to the possibility that they had underlying causes which, while still being man-made, were not in themselves, accidental.The most obvious umbrella under which to discuss European conquests of African communities in the late nineteenth ce